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=== Wet snow avalanches === [[File:Lawinenkegel auf dem Simplonpass (2019).jpg|thumb|Avalanche on [[Simplon Pass]] (2019)]] In contrast to powder snow avalanches, wet snow avalanches are a low velocity suspension of snow and water, with the flow confined to the track surface (McClung, 1999, p. 108).<ref name="McClung 2006" /> The low speed of travel is due to the friction between the sliding surface of the track and the water saturated flow. Despite the low speed of travel (β10β40 km/h), wet snow avalanches are capable of generating powerful destructive forces, due to the large mass and density. The body of the flow of a wet snow avalanche can plough through soft snow, and can scour boulders, earth, trees, and other vegetation; leaving exposed and often scored ground in the avalanche track. Wet snow avalanches can be initiated from either loose snow releases, or slab releases, and only occur in snowpacks that are water saturated and isothermally equilibrated to the melting point of water. The isothermal characteristic of wet snow avalanches has led to the secondary term of isothermal slides found in the literature (for example in Daffern, 1999, p. 93).<ref name="Daffern 1999">Daffern, Tony: Avalanche Safety for Skiers, Climbers and Snowboarders, Rocky Mountain Books: 1999. {{ISBN|0-921102-72-0}}</ref> At temperate latitudes wet snow avalanches are frequently associated with climatic avalanche cycles at the end of the winter season, when there is significant daytime warming.{{fact|date=January 2024}}
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